Carrier 33CSSN2-MH Installation Instructions Manual

Wall Thermostat with 2 Speed Fan Control Kit
For Use with
Packaged Terminal Air Conditioner
Installation
Cancels: IlK 84-07-4
Instructions
IlK 84-07-11
3/15/04
SAFETY CONSIDERATIONS
Only trained, qualified personnel and service mechanics
should modify and install any electrical accessories on pack-
aged temtin_d air conditioners or heat pumps.
PACKAGE CONTENTS
ITEM QUANTITY
Wall Thermostat P/N 33CSSN2-MH 1
Relay Assembly 1
Screws (no. 8 x 3/8 in.) 2
Plastic Rectangular Plug 1
Crimp Type Wire Joint 1
Wire Ties 2
Blank Out Control Panel Label 1
INTRODUCTION
These instructions cover the installation of a wall thermostat
(included, P/N 33CSSN2-MH) and the installation of a second
fan speed control relay inside the unit control box (of an RC or
RP unit), to provide two-speed fan control from file wall ther-
mostat. See Fig 1.
The two-speed fan control kit provides full fan speed con-
trol of the PTAC (packaged terminal air conditioner) unit from
the wall thermostat (included).
WALL THERMOSTAT
(P/N 33CSSN2-MH)
Disconnect all power to unit to avoid possible electrical
shock during inst;d lation.
INSTALLATION
NOTE: This kit can only be installed on w_dl thermostat
units (RC or RP models).
Prepare Unit
l. Check to be sure the unit is off and power to the unit is
disconnected.
2. Remove the unit's front panel by grasping it firmly nero
the bottom of both sides, then pulling panel forward and
upward to release magnetic latches and pmtition hooks.
Install Second Fan Speed Control Relay
I. Remove the terminal access cover and save. See Fig. 2.
2. Open the control box by removing the 2 control box cov-
er screws shown in Fig. 2. Swing the cover down to open.
Save the screws.
3. Attach the relay assembly to the 2 holes in the right
side of the control box as shown in Fig. 3. using two no. 8
x 3/_ in. screws included.
TIES
RELAY
ASSEMBLY
PLASTIC
ANGBLAR
_)_ NO. 8 x 3/8 IN.
SCREWS
_'_'_''_ CRIMP TYPE
WIRE JOINT
CONTROL
ROCKER FAN CONTROL BOX ROTARY FAN
SPEED COVER SCREWS SPEED
SELECTOR SELECTOR SWITCH
SWITCH (REMOVE KNOB TO
ACCESS MOUNTING
COVER
THERMOSTAT
Fig. 1 -- Wall Thermostat with
Two-Speed Fan Control Kit
Fig. 2 -- Control Box Terminal Cover for
Wall Thermostat Models
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
Book 1 14 PC 132 Catalog No. 535-20063 Printed in U.S.A. Form 52C,P-3481 Pg 1 3-04 Replaces: 52C,P-2781
B
Tab 9a 11a