Robertshaw 8625 User Manual

atMPORTANT SAFETY INFORMAT|ON WARNTNG:
. Always turn off power at main fuse or circuit breaker panel before
installing, removing, cleaning, or servicing thermostat.
. Read all the information in this manual before installing this thermostat.
. D0 NOT CONNECTT0
120VAC. This is a 24 VAC low-vottaoe
thermostat. Do not install on voltages higher than 30 VAC.
-
. All wiring must conform to local and national building and electrical
codes and ordinances.
. Do not short(jumperl
acrossterminals
on the gas valve or atthe
system control to test installation. This will damage the thermostat
and void the warranty.
. Do not connect ground to any terminal in this unit.
Recycling Thermostat
lf this thermostat REPLACES
a thermostat that contains mercury,
D0 N0T discard the old thermostat in the regular trash. MercurV
is harmful to humans and the environment. For this reason, do
not open, break, or crush the mercury cell. lf mercury leaks from
a damaged cell, D0 N0T touch or handle mercury with bare
hands. Use protective, non-absorbent
gloves to place mercury
into a sealable container. Fill the container with sand or another
absorbent material and seal the container completely-
Return the mercury or mercury products, in a sealed container,
to
Invensys Climate Controls or a local recycling center for proper
disposal. lf you have any questions, call Robertshaw
technical
support at 1 -800-445-8299.
Invensys Climate Controls
28C Leigh Fisher Blvd.
El Paso, TX 79906
Attn: Mercury Recycling Center
Step 1: Replacing Existing Thermostat
Wiring Table
Old Terminal New Label Description
R, V-VR or VR-R
24VAC, return
Y, YI, M
Compressor relay {Stage 1 )
0 o r R R e v e r s i n g v a l v e ( c o o l a c t i v e )
Reversing valve (heat active)
F o r G Fan control relay
2"d stage cooling circuit
W2, W-U or E
2"' stage heating control or
e m e r g e n c y h e a t i n g f o r h e a t p u m p s
C , X o r B 24 VAC, transformer common side
L o r X
System monitor
W o r W l
1 s t s t a g e h e a t - n o n h e a t p u m p
1{0TE: THIS THERM0STAT
REOUIRES A 24 VAC COMMON WIRE FOR PR0PER OPERATI0N.
1{0TE: 0l{ S0ME 0LDER M0DELS, THE C IERMII{A| CAli 8E EITHER THE C00tlllc C0l{TR0t 0R
THE COMMOI{ SIOE OF THE TRAI{SFORMER.
CHECK FURI{ACE WIRII{G DIAGRAM TO VERIFY C
IERMII{AL. IF IT IS THE COMMOI{ SIDE OF THE InAI{SFORMER, COIIIIECT TO THE C TERMIiIAL.
a TMP0RTANT SAFETY tNFORMATION WARNTNG:
In heat pump applications, do not connect anything to the Wl
terminal. When switched to HP mode, Wl is connected internally
to Yl on the thermostat. Connect AUX heat to the WZE terminal.
1. Turn off power to heating and cooling system.
2. Remove cover of old thermostatto expose wires. Do not
disconnectwires.
(See Figure'l)
3. Label wires per the Wiring Table.
4. After labeling wires, remove wires from terminals.
5. Remove existing thermostat base from wall.
6. Refer to the following section for instructions on how to
install thermostat.
Figure 1
Installing ltem 8625 Thermostat
NOTE: Fon NEW tNsTALlATroNs, MoUNT THERMosTAT oN AN lNstDE wlLL, 4-5 rrrr
ABovE THE FLooR. Do NoT rNsTAtL BEHTND A DooR, rN A coRNER, NEAR AtR vENTs,
IN DIRECT SUNLIGHT/ OR NEAR ANY HEAT OR STEAM GENERATING FIXTURES. INSTALIATI
AT THESE PLACES WILL AfFECT IHERMOSTAT OPERATION.
1 1 0 - 1 1 0 1
As an ErurRev
SIAR@
partner, Climate Controls Americas has determined
that this thermostat product meets the Elrenoy Srnn' guidelines for
energy efficiency"
Application
The Robertshaw 8625 is a multi-stage thermostat designed to control
24 VAC heat pump systems.
Features
. Large back lit display.
. Four preprogrammed
Eruenoy Srnn@ setpoints for each day ofthe week.
. Adjustable 1" stage temperature differential: 1.0"Fto 3.0'F (0.5'C to
1.5.C).
. Adjusta ble 2"d stage temperature differentia l: 1 .0'F to 6.0'F (0.5"C to
3.0"c).
. Adiustable 2"d stage delay (10-40 minutes).
. Energy Efficient Recovery (EERTM).
. Residual cooling for added air conditioning
efficiency.
. Zone comoatible as master thermostat.
. FahrenheiVCelsius
display option.
. Programmable
from 45"F (4"C) to 90"F (32'C).
. Accuracywithin
t 1 degree.
. Separate heating and cooling programs.
GAS ELECTRIC
5-2DayProgrammable
2 Heat I 2Cool
User's Manual
Quick Start
Installation and
Programming
YI
1 .
Turn power offto the heating and cooling systems.
Place EMER-HEAT-0FF-C001
in 0FF position.
Place *
AUTo-oN switch
into AUT0 position.
Remove the cover using a coin
or screwdriver
(see Figure 2).
Place thermostat against the
wall at desired location. Make
sure wires will feed through
opening on base ofthermostat
tigwe 2
waE
W1
tr