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5 68-0173—3
Fig. 6. Dimensions for PC8900A Control Panel in in. (mm).
Fig. 7. Dimensions for W8900A-C Remote
Module in in. (mm).
MERCURY NOTICE
If this control is replacing a control that contains
mercury in a sealed tube, do not place your old control
in the trash.
Contact your local waste management authority for
instructions regarding recycling and the proper
disposal of this control or of an old control containing
mercury in a sealed tube.
If you have questions, call Honeywell Inc. at
1-800-468-1502, Monday through Friday, 7:00 a.m. to
5:30 p.m., Central time.
INSTALLATION
When Installing this Product…
1. Read these instructions carefully. Failure to follow
instructions can damage the product or cause a
hazardous condition.
2. Check the ratings on the product to make sure the
product is suitable for your application.
3. Installer must be a trained, experienced service
technician.
4. After completing installation, use these instructions to
check out product operation.
M6356
3-1/4 (83)
6 (152)
6-3/8 (162)
1-5/8 (41)
7/8
(22)
7/8
(22)
3-3/8
(86)
4
(102)
4
(102)
SET
CLOCK
HEAT/COOL
SETPOINTS
SELECT
PERIOD
CANCEL
HOLD
HUMIDITY
VENTILATE
RUN
SYSTEM
HEAT OFF COOL
FAN
AUTO ON CIRC
DAY
TIME
TIME
SYSTEM
CHECK
NOTE:
PC8900 SHOWN WITH
COVER REMOVED.
4-7/8 (124)
3/4
(19)
6-3/8 (163)
6-3/8 (163)
1/2 (12)
2
(51)
7-13/16
(197)
8-3/4
(222)
(4) 3/8 (5)
M6355
NOTE: W8900 SHOWN WITH COVER REMOVED.