Robertshaw 9420 Manual de usuario

9420 DIGITAL

THERMOSTAT

Features and Benefits

Larger Back Lit Display

Makes viewing and setting the temperature

easy and accurate.

Winter and Summer Permanent Setpoint Memory

Allows you to save both heating and cooling

temperature settings.

Automatic Compressor Short Cycle Protection

A system safeguard. Reduces wear and

tear of HVAC equipment.

Worry-Free Memory Storage

Even during power outages, the thermostat maintains

setpoint and programmed parameters.

Adjustable 1st and 2nd Stage Temperature Differential

Maintains optimal customer comfort.

O & B Terminals

Greater system flexibility, zoning compatible.

Zone System Compatible

In zoning applications where temperature is

precisely controlled, the thermostat acts as a sensor

within the system.

Quick Wire Terminal Block

Fast and easy installation. Uses sturdy wire clamps –

no wrap-around of screws.

Toll-Free Assistance

Toll-Free Technical Service number printed right on

the thermostat provides immediate assistance.

2 Heat / 2 Cool

Incredible Digital

When it comes to non-programmable temperature control, we

listened to the experts–YOU! Our new 9420 is the next evolution

in digital thermostats. The LCD display is clearly one of the

largest in the industry, up to 80% larger than competitive

models. Plus, the display is back lit, making it even easier to

read in a dark room.

This model is loaded with enhanced features. The 9420 comes

with permanent winter and summer setpoint memory, allowing

you to save both heating and cooling temperature settings. This

eliminates temperature adjustments when switching systems for

seasonal requirements. And our fully adjustable differential

control provides increased comfort for your customers. The 9420

is compatible with all standard 24 Volt AC multi-stage heat

pump systems.

When you select a Robertshaw thermostat, you’ve made the

choice of an industry partner that’s been making quality

products for 100 years. Come home to affordable comfort.

Come home to RobertshawSM.

Technical service available:

1-800-445-8299

M-F 7:00 a.m. - 5:30 p.m. CST

HEAT PUMP

new series!

24 VAC POWERED

2 Heat / 2 CoolTerminal Designations

THE ROBERTSHAW 9420 REPLACES:

Shipping Information

Indiv. Ctn. Dim.: 6.75" x 4.375" x 1.625"

Master Ctn. Qty.: 6

Master Ctn. Dim.: 9.25" x 5.625" x 7.625"

Master Ctn. Cu. Ft.: .23

Master Ctn. Wt.: 4.0 lbs.

Max. Pallet Qty.: 1170

Max. Pallet Dim.: 40" x 48" x 48"

Max. Pallet Cu. Ft.: 53.33

Max. Pallet Wt.: 835 lbs.

Other Two Stage Heat,

Two Stage Cool Thermostats

9620: Programmable, 2 Heat / 2 Cool, HP

9720i: Deluxe Programmable, 2 Heat / 2 Cool, HP

24 VAC

Common

24 VAC

Transformer

System

Monitor

LED

Cooling

Relay

(Stage 2)

Compressor

Relay

(Stage 1)

Emergency

Heat

Relay

Auxiliary

Heat Relay

(Stage 2)

Cool Active

Reversing

Valve

Heat Active

Reversing

Valve

Fan

Relay

Specifications

Electrical rating: 24 Volt AC (18-30 VAC)

1 amp maximum load per terminal

3 amp total maximum load

(all terminals combined)

Temperature control range: 45˚- 90˚F (7˚- 32˚C)

Accuracy: +/-1˚F (+/-.5˚C)

Power: 24 VAC

System configurations: Multi-stage heat pump

systems - two stage heat, two stage cool

Terminations: C, L, R, Y2, Y1, E, G, W2, O, B

HEAT PUMP

Distributed by:

9420 DIGITAL

THERMOSTAT

new series!

Robertshaw 9520

White-Rodgers Company* 1F89-211

Honeywell, Inc.* T8411R

* Verify specific application requirements before substitution.

Controls Americas

515 South Promenade Avenue

Corona California 92879-1736 USA

Telephone +1 800 951 5526 Facsimile +1 630 260 7299

[email protected]

www.icca.invensys.com

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