Bard WH Series Manual de usuario

Manual 2100-516H

Page 1 of 19

INSTALLATION INSTRUCTIONS

SINGLE STAGE HEAT PUMPS

LOW VOLTAGE

CONTROL CIRCUIT WIRING

MODELS

W**H W**H*D

S**H S**H*D

T**H T**H*D

Manual : 2100-516H

Supersedes: 2100-516G

File: Volume III Tab 16

Date: 03-28-14

Bard Manufacturing Company, Inc.

Bryan, Ohio 43506

Since 1914...Moving ahead just as planned.

Manual 2100-516H

Page 2 of 19

Contents

Figures

Figure 1 Basic HP w/Opt. Elec. Heat .....................5

Figure 2 HP w/Opt. MFAD, CRV & ERV Vent. Pkg.

w/Programmable T-Stat ...........................6

Figure 3 HP w/Opt. MFAD, CRV & ERV Vent. Pkg.

w/Non-Programmable T-Stat....................7

Figure 4

HPw/Opt.MFAD, CRV&ERVVent. Pkg.

w/Non-Programmable Thermostat with ...

Controller.........................................8

Figure 5 Heat Pump w/Opt. Economizer

"E" Vent Option ........................................9

Figure 6 HP w/Dehumidication Sequence & No

Vent Pkg. Using T-Stat Comb. ...............10

Figure 7 HP w/Dehumidication Sequence w/

Non-Programmable T-Stat......................... 11

Figure 8 HP w/Dehumidication Sequence & Opt.

MFAD, CRV, & ERV Vent Pkg.

Using Elec. T-Statwith Combination

Temp. & Humidity Control ......................12

Figure 9 HP w/Dehumidication Sequence & Opt.

MFAD, CRV & ERV Vent. Pkg.

Using Non-Prog. T-Stat.

(No Occupied Signal).............................13

Figure 10

HP w/Dehumidication Sequence & Opt.

MFAD, CRV & ERV Vent. Pkg.

Using Non-Prog. T-Stat. with

CO2Controller........................................14

Figure 11 Heat Pump w/CS2000A*........................15

Figure 12 W**H1 Dehum. with Economizer and

#8403-060 Thermostat (EIFM)

"E" Vent Option ......................................16

Figure 13 1-Stage HP w/Opt. Elec. Heat with or w/o

Dehum. with ECONWM* Style Economizer

"W" or "T" Vent Option ...........................17

Figure 14 HP w/Opt. CRVMP Vent Pkg. with

Programmable T-Stat.............................18

Figure 15

HP w/Opt. MFAD, CRV & ERV Vent Pkg.

with Non-Programmable T-Stat ............ 19

Tables

Table 1 Diagram to Use w/Unit & Vents................3

Table 2 Operating Voltage Range.........................3

Table 3 Wall Thermostat.......................................3

Table 4 Humidity Controls.....................................4

Table 5 CO2Controller..........................................4

Table 6 Thermostat Wire Size...............................4

Installation Instructions

Wiring – Low Voltage Wiring.....................................3

Operating Voltage Range..........................................3

Low Voltage Connection...........................................3

Wiring Diagram

Figure 11 Heat Pump w/CS2000A*........................15

Manual 2100-516H

Page 3 of 19

TABLE 1

DIAGRAM TO USE WITH UNIT AND VENTS

System

Vent None CRV, ERV, MFAD CRVMWH-3

CHCRV-5 EIFM

Economizer ECONWM* CS2000A*

Vent Code X R, M, V, P C E T, W, S

Thermostat Programmable Programmable Programmable Programmable Programmable All

Model Series No Yes No Yes No Yes No Yes No Yes

Heat Pump S**H

T**H

W**H 1 1 3 & 4 2 15 14 N/A 5 N/A 13 11

Heat Pump with

Dehumidication

S**H*D

T**H*D

W**H*D 7 6 9 & 10 8 N/A 14 N/A 12 N/A 13 N/A

NOTE: Thevoltageshouldbemeasuredattheeldpower

connectionpointintheunitandwhiletheunit

isoperatingatfullload(maximumamperage

operatingcondition).

WIRING – LOW VOLTAGE WIRING

230/208V, 1 phase and 3 phase equipment dual primary

voltage transformers. All equipment leaves the factory

wired on 240V tap. For 208V operation, reconnect

from 240V to 208V tap. The acceptable operating

voltage range for the 240V and 208V taps are:

TABLE 3

WALL THERMOSTAT

TABLE 2

OPERATING VOLTAGE RANGE

An 18 gauge copper, color-coded thermostat cable is

recommended. The connection points are shown in this

Manual. See Table above.

Low Voltage Connection

These units use a grounded 24-volt AC low voltage

circuit.

The “R” terminal is the hot terminal and the “C”

terminal is grounded.

“G” terminal is the faninput.

“Y” terminal is the compressorinput.

“B” terminal is the reversingvalveinput. The reversing

valve must be energized for heating mode.

“R” terminal is the 24 VAC hot.

“C” terminal is the 24 VAC grounded.

LOW VOLTAGE CONNECTIONS

FOR DDC CONTROL

Fan Only Energize G

Cooling Mode Energize Y, G

Heat Pump Heating Energize Y, G, B

2nd Stage Heating

Energize G, W2, Y, B

w/Heat Pump (if employed)

Ventilation Energize G, O1

Emergency Heat

Energize B, W2, E, G

 Dehumidication EnergizeW3

“L” terminal is compressorlockoutoutput. This

terminal is activated on a high or low pressure trip by the

electronic heat pump control. This is a 24 VAC output.

“W2” terminal is second stage heat (if equipped).

“O1” terminal is the ventilationinput. This terminal

energizes any factory installed ventilation option.

“E” terminal is the emergencyheatinput. This terminal

energizes the emergency heat relay.

“W3” terminal is the dehumidicationinput. This

terminal energizes compressor, blower and three-way

valve.

TAP RANGE

240V 253 – 216

208V 220 – 187

Part Number Predominate Features

8403-058

(TH5220D1151)

2 stage Cool, 2 stage Heat - Conventional

1 stage Cool, 2 stage Heat - Heat Pump

Electronic Non-Programmable

Auto or Manual changeover

8403-060

(1120-445)

3 stage Cool; 3 stage Heat

Programmable/Non-Programmable Electronic

HP or Conventional

Auto or Manual changeover

Dehumidication Output

Manual 2100-516H

Page 4 of 19

Part Number Predominate Features

8403-038

(H600A1014) SPDT switching, pilot duty 50VA @ 24V

Humidity range 20-80% RH

8403-047

(H200-10-21-10)

Electronic dehumidistat SPST closes-on-rise

Humidity range 10-90% with adjustable stops

Part Number Predominate Features

8403-067

Normally Open SPST relay closes-on-rise

24V dual wave length sensor. Default setting

950ppm, adjustable to 0-2000ppm

Default off setting 1000ppm, adjustable to

0-200 ppm can be calibrated

Transformer

VA FLA Wire

Gauge

Maximum

Distance

In Feet

55 2.3

20 gauge

18 gauge

16 gauge

14 gauge

12 gauge

100

160

250

TABLE 6

THERMOSTAT WIRE SIZE

TABLE 4

HUMIDITY CONTROLS

TABLE 5

CO2 CONTROLLER

Manual 2100-516H

Page 5 of 19

FIGURE 1

BASIC HEAT PUMP WITH OPTIONAL ELECTRIC HEAT

NO ECONOMIZER or VENTILATION PACKAGES

Factory Jumper Installed1

Unit

24V Low Voltage

Terminal Block W3 E L DH O1W2W1Y1 BYRG

MIS-2645 C

Aux

Low Voltage Wiring Diagram

C G R Rc Y O/B

L E

W1/E

Bard part #8403-058

#TH5220D1151

Thermostat

2 Stage Heat

1 Stage Cool

Programmable

Electronic

Bard part #8403-060 AY2L

Y O/D

Thermostat W2G R Y1 O/B

"L" is constant 24V output when

thermostat is in Em Heat mode

Manual 2100-516H

Page 6 of 19

FIGURE 2

HEAT PUMP WITH OPTIONAL MFAD, CRV & ERV

VENTILATION PACKAGING WITH PROGRAMMABLE THERMOSTAT (RECOMMENDED)

1 652 43

if optional CO controller is used.

Unit

C G R YE

Y1 W2 W1 O1

DH L

B W3

Terminal Block

24V Low Voltage

Ventilation Packaging with Programmable Thermostat (Recommended)

Figure 2

Low Voltage Wiring Diagram

C O/BY1RG W2

Y O/D

W1/E

Heat Pump with Optional MFAD, CRV, and ERV

Bard part #8403-060

Thermostat

Programmable

L A

Red

Orange

Black

Brown/White

Ventilation Packages

Electronic

Red

Factory Jumper Installed

Do not connect "A" from tstat #8403-060

Black

MFAD

ERV

CRV

during scheduled occupied periods

set to programmed for the "A" output to function

Must be configured to programmable and fan

optional CO controller is used.

Connect orange wire to "G" only if

1MIS-2633 C

Optional CO Controller

Bard part #8403-067

Manual 2100-516H

Page 7 of 19

FIGURE 3

HEAT PUMP WITH OPTIONAL MFAD, CRV and ERV VENTILATION

PACKAGING WITH NON-PROGRAMMABLE THERMOSTAT (NO OCCUPIED SIGNAL)

Unit

C R Y EY1

Low Voltage Wiring Diagram

W1 O1

Black

when

Bard part #8403-058

24V Low Voltage

Thermostat

#TH5220D1151 R

Red

Factory Jumper Installed

ERV

Orange

Black Brown/White

CRV

Packages

Ventilation

whenever blower operates.

Add jumper, ventilation will be active

Do not connect orange wire.

MFAD

Terminal Block

Red

O/B

Y2 Stage Heat

1 Stage Cool

thermostat is in Em Heat mode

AUX

GRc

"L" is constant 24V output

MIS-2646 C

Manual 2100-516H

Page 8 of 19

FIGURE 4

HEAT PUMP WITH OPTIONAL MFAD, CRV and ERV VENTILATION

PACKAGING WITH NON-PROGRAMMABLE THERMOSTAT WITH CO2 CONTROLLER

Unit

C G R Y EY1 W2 W1 O1DH LB W3

Factory Jumper Installed

Low Voltage Wiring Diagram

CO/B

AUX

Terminal Block

24V Low Voltage

Bard part #8403-058

MFAD

Bard part #8403-067

2 Stage Heat

1 Stage Cool

Thermostat

Red 1

Orange

Optional CO Controller

Brown/White

#TH5220D1151

Ventilation Packages

Black

Red

632 4

ERV

CRV

is used.

only if optional CO controller

Connect orange wire to "G"

Black

"L" is constant 24V output when

thermostat is in Em Heat mode

MIS-2634 E

Manual 2100-516H

Page 9 of 19

FIGURE 5

HEAT PUMP WITH OPTIONAL EIFM ECONOMIZER

“E” VENT OPTION

Unit

CRB YE Y1

W1 O1DH

Terminal Block LW3

Y2 Y1

Pink

Thermostat

Orange

Yellow

Black

24V Low Voltage

Purple

YO/D

Factory Jumper Installed.

be active as first stage cooling.

Must be configured for economizer with YO/D output to

These wires are used in special control applications only.

Black

2Stage Heat

Blue

Wiring Harness

Economizer

Bard part #8403-060 G

R O/B

2Stage Cool

Low Voltage Wiring Diagram

Figure 5

Heat Pump with Optional Economizer

W1/E W2

MIS-2648 C

Manual 2100-516H

Page 10 of 19

FIGURE 6

HEAT PUMP WITH DEHUMIDIFICATION SEQUENCE AND NO VENTILATION PACKAGE

USING THERMOSTAT #8403-060 COMBINATION TEMPERATURE & HUMIDITY CONTROLLER

Factory Jumper Installed.

Unit

G O1REY1 W2

DHLW1

Electronic

YO/D

Terminal Block

Figure 6

Low Voltage Wiring Diagram

CO/B

RG L

24V Low Voltage

Bard part #8403-060

Thermostat

using Thermostat part #8403-060 Combination Temperature and Humidity Controller.

Heat Pump with Dehumidification Sequence and No Ventilation Package

Programmable

W1/E

W3Y

MIS-2636 A

Must be configured for "No economizer"

for YO/D to be active for humidity control

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