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Table of Contents
CAUTION!
:
This thermostat should be installed by trained technicians only. Adhere to all local
and national codes. Disconnect all power to the system before installing, removing, or
cleaning.
Parts Diagrams
SC1600L/VL
To Remove Existing Thermostat
ELECTRICAL SHOCK HAZARD
–
Turn off power at the main service panel by removing
the fuse or switching the appropriate circuit breaker to the OFF position before
removing the existing thermostat.
1. Turn off power to the heating system by removing the fuse or switching the appropriate circuit
breaker off.
2. Remove cover of old thermostat. This should expose the wires.
3. Label the existing wires with the enclosed wire labels before removing wires.
4. After labeling wires, remove wires from wire terminals.
5. Remove existing thermostat base from wall.
6. Refer to the following section for instructions on how to install this thermostat.
ONE-YEAR LIMITED WARRANTY
The Seller warrants its products against defects in material or workmanship for a period of one (1) year
from the date of manufacture. The liability of the Seller is limited, at its option, to repair, replace or issue a
non-case credit for the purchase prices of the goods which are provided to be defective. The warranty and
remedies set forth herein do not apply to any goods or parts thereof which have been subjected to misuse
including any use or application in violation of the Seller’s instructions, neglect, tampering, improper storage,
incorrect installation or servicing not performed by the Seller. In order to permit the Seller to properly
administer the warranty, the Buyer shall: 1) Notify the Seller promptly of any claim, submitting date code
information or any other pertinent data as requested by the Seller. 2) Permit the Seller to inspect and test
the product claimed to be defective. Items claimed to be defective and are determined by Seller to be non-
defective are subject to a $30.00 per hour inspection fee. This warranty constitutes the Seller’s sole liability
hereunder and is in lieu of any other warranty expressed, implied or statutory. Unless otherwise stated
in writing, Seller makes no warranty that the goods depicted or described herein are fit for any particular
purpose.
LIAF005
Patent No. 424,953
7313 William Barry Blvd., North Syracuse, NY 13212
(
Toll Free
) 800-365-5525 (
Phone
) 315-233-5266 (
Fax
) 315-233-5276
www.icmcontrols.com
Manual Changeover
Non-Programmable
Hardwired
SC1600L/VL
Non-Programmable Electronic Thermostat
Installation, Operation & Application Guide
For more information on our complete range of American-made
products – plus wiring diagrams, troubleshooting tips and more,
visit us at
www.icmcontrols.com
• Controls Single Stage Heating Systems
• Millivolt and Hydronic (water or steam) System Compatible
• Compatible with Gas and Oil Systems
• Backlit Display
• Mercury-Free,
Environmentally Safe
Battery
Compartment
Mode
Switch
Freeze
Switch
High Temp.
Switch
Parts Diagram.........................................................................................................................................2
Specifications
.........................................................................................................................................3
Important Safety Information ..................................................................................................................3
Package Contents/Tools Required .........................................................................................................3
General Description ................................................................................................................................4
To Remove Existing Thermostat .............................................................................................................4
Replacing Wiring Labels .........................................................................................................................5
To Install Thermostat ..............................................................................................................................5
Installing and Changing Batteries ...........................................................................................................6
Remote Sensor Installation (Optional)....................................................................................................7
Wiring Diagrams .....................................................................................................................................8
Heating Only ........................................................................................................................................8
Zone Valve/Damper Motor System ......................................................................................................8
Setting the Setpoint Temperature ...........................................................................................................9
Setting the Temperature Differential .......................................................................................................9
Starting the Thermostat ..........................................................................................................................9
A Quick Test ..........................................................................................................................................10
Troubleshooting ....................................................................................................................................10
Specifications
Electrical rating:
• Millivolt to 30 VAC/VDC
• DC Power: 3.0 VDC (2 “AA” alkaline batteries included)
• 1 amp maximum per terminal
• 2 amp maximum total load
Temperature control range:
45°F to 90°F
Accuracy:
± 1°F
Back Light:
Not available on N and VN models
Differential Rage:
1°F to 3°F
System configurations:
1-stage heat, gas, and oil
Terminations:
R, W, S1, S2
Important Safety Information
WARNING!
:
Always turn off power at the main power supply before installing, cleaning,
or removing thermostat.
• This thermostat is for 24 VAC applications only; do not use on voltages over 30 VAC
• Do not short across terminals of gas valve or system control to test operation; this will damage your
thermostat and void your warranty
• All wiring must conform to local and national electrical and building codes
• Use this thermostat only as described in this manual
Package Contents/Tools Required
Package includes:
SimpleComfort
®
1600 thermostat on base, thermostat cover, wiring labels, screws
and wall anchors, Installation, Operation and Application Guide.
Tools required for installation:
Drill with 3/16” bit, hammer, screwdriver.
General Description
The SimpleComfort
®
1600 thermostat is a digital, mercury-free, non-programmable, electronic
thermostat.
• Compatible with single-stage heating systems
• Compatible as a master thermostat in zoned system applications
•
Freeze Protection Feature:
Protects pipes from freezing! If the room temperature drops to 40°F,
the thermostat automatically turns on the heat; the thermostat must
be in the Heat position; works even if the batteries are dead
•
System Customization:
Choose three available temperature differential settings
