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 ...
CO
2
Controller.........................................8
Figure 5 Heat Pump w/Opt. Economizer
"E" Vent Option ........................................9
Figure 6 HP w/Dehumidication Sequence & No
Vent Pkg. Using T-Stat Comb. ...............10
Figure 7 HP w/Dehumidication Sequence w/
Non-Programmable T-Stat......................... 11
Figure 8 HP w/Dehumidication Sequence & Opt.
MFAD, CRV, & ERV Vent Pkg.
Using Elec. T-Statwith Combination
Temp. & Humidity Control ......................12
Figure 9 HP w/Dehumidication Sequence & Opt.
MFAD, CRV & ERV Vent. Pkg.
Using Non-Prog. T-Stat.
(No Occupied Signal).............................13
Figure 10
HP w/Dehumidication 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
Dehumidication
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: Thevoltageshouldbemeasuredattheeldpower
connectionpointintheunitandwhiletheunit
isoperatingatfullload(maximumamperage
operatingcondition).
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 faninput.
“Y” terminal is the compressorinput.
“B” terminal is the reversingvalveinput. 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
Dehumidication EnergizeW3
“L” terminal is compressorlockoutoutput. 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 ventilationinput. This terminal
energizes any factory installed ventilation option.
“E” terminal is the emergencyheatinput. This terminal
energizes the emergency heat relay.
“W3” terminal is the dehumidicationinput. 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
Dehumidication 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
45
60
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
C
Factory Jumper Installed1
Unit
1
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
1
L E
W1/E
C
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
3
4
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
Y2
Red
Orange
Black
2
Brown/White
Ventilation Packages
Electronic
Red
Factory Jumper Installed
Do not connect "A" from tstat #8403-060
Black
MFAD
2
ERV
CRV
during scheduled occupied periods
set to programmed for the "A" output to function
Must be configured to programmable and fan
2
2
4
optional CO controller is used.
Connect orange wire to "G" only if
3
1
2
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)
E
Unit
C R Y EY1
Low Voltage Wiring Diagram
W1 O1
Black
LB
when
DH
Bard part #8403-058
W3
24V Low Voltage
Thermostat
#TH5220D1151 R
Red
Factory Jumper Installed
G
ERV
Orange
Black Brown/White
CRV
Packages
Ventilation
1
whenever blower operates.
Add jumper, ventilation will be active
3
2
Do not connect orange wire.
MFAD
Terminal Block
3
2
1
Red
O/B
CL
Y2 Stage Heat
1 Stage Cool
thermostat is in Em Heat mode
W2
AUX
GRc
"L" is constant 24V output
1
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
1
Factory Jumper Installed
Low Voltage Wiring Diagram
CO/B
Y
RL
AUX
Terminal Block
E
24V Low Voltage
Bard part #8403-058
MFAD
Bard part #8403-067
2 Stage Heat
1 Stage Cool
Thermostat
1
Red 1
Orange
Optional CO Controller
Brown/White
#TH5220D1151
Ventilation Packages
Black
Red
5
2
632 4
G
2
1
2
ERV
CRV
is used.
only if optional CO controller
Connect orange wire to "G"
Rc
Black
"L" is constant 24V output when
thermostat is in Em Heat mode
2
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
W2
W1 O1DH
Terminal Block LW3
G
Y2 Y1
Pink
Thermostat
Orange
Yellow
C
Black
24V Low Voltage
L
Purple
YO/D
Y1
1
Factory Jumper Installed.
2
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.
EF
Black
2Stage Heat
Blue
3
1
Wiring Harness
Economizer
1
Bard part #8403-060 G
R O/B
2Stage Cool
Low Voltage Wiring Diagram
Figure 5
Heat Pump with Optional Economizer
W1/E W2
3
2
A
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
C
Factory Jumper Installed.
Unit
A
G O1REY1 W2
Y2
DHLW1
Electronic
B
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.
Y1
Heat Pump with Dehumidification Sequence and No Ventilation Package
Programmable
W2
W1/E
W3Y
2
1
1
MIS-2636 A
Must be configured for "No economizer"
for YO/D to be active for humidity control
2
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