88MSA
4-Way MuMtipoise Fixed-Capacity
Condensing Gas Furnace
\isit _ v_w carrier.corn
Installation, Start-Up, and Operating
For Sizes 040--120 Series t50
HEATUNG & COOUNG
I mlCI[NCY
A93040
NOTE: Read the entire instl_action manual be%re starting the
installation
This symbol -->indicates a change since the last issue,
Index Page
DIMENSIONAL DRAWING 3
SAFETY CONSIDERATIONS 2
(learances to ( ombustibles 4
CODES AND STANDARDS ........................................................ 5
ELE< TROSTATIC DIS<HARGE (ESD) PRE(AUTIONS ........ 5
INTRODU< TION .......................................................................... 5
APPLICATIONS ..................................... 6
General ........................................... 6
[pflow Applications ............................... 6
Downflow Applications ............................. 8
Horizontal Lek (Supply-Air Dischmge) Applications ....... 9
Horizontal Right {Supply-Air Discharge) Applications ..... 11
LO< ATION ........................................ 13
Gene*al .......................................... 13
Furnace Location Relative to ( ooling Equipment ......... I4
Hazardous Locations .............................. 14
AIR FOR COMBUSTION AND VENTILATION .......... 14
INSTALLATION ........................................ 18
Leveling Legs (If"Desired) .............................. 18
Installation in Upflow and Downflow Applications ......... 18
Installation In Horizontal Applications .................. 18
Air Ducts ....................................... ! 8
General ........................................ 18
Ductwork Acoustical Treatment .................... 20
Supply Air Connections ......................... 20
Return Air Connections .......................... 20
Filter Arrangement ................................ 20
Bottom Closure Panel ............................ 21
Gas Piping ....................................... 22
Electrical ( onnections ............................. 23
115-v Wiring ................................... 23
24-v Wiring .................................... 24
Accessories .................................. 24
Venting ............................................ 27
Removal of Existing Furnaces from
( ommon Vent Systems .......................... 27
Combustion-Air and Vent Piping ................... 28
Vent Te*mination .............................. 35
Multiventing ................................. 35
As an FNFR(JY ST4Rx¢
Pa_ner Carrier Corpora-
tion has determined that
this pro_tct meets the EN'-
FRGY S fARaV g/iidelines
_r energy efflc{ency
I$O 9001:2000
@
AIRFLOW
42>
r
¢ _ HORLIZOTNTA _ _ _ HO _II_C_NTALN'NI 0
AIRFLOW AIRFLOW
©
AIRFLOW
A93041
Fig. 1--NuRipoise Orientations
Condensate Drain .................................................................... 35
General ....................................... 35
Application ....................................... 35
Condensate Drain Protection ...................... 36
START°UP, ADJL STMENTS AND SAFETY (HECK ....... 37
General .......................................... 37
Prime ( ondensate Trap With Warm .................... 37
Purge Gas Lines ................................... 38
Sequence of Operation ............................. 38
Heating Mode ................................. 38
Cooling Mode ................................ 38
Continuous Blowe* Mode ........................ 38
Heat Pump Mode .............................. 39
Component Test ............................... 39
Adjustments....................................... 39
Set Gas Input Rate .............................. 39
Set Temperature Rise ................................ 44
Blower Off"Delay (Heat Mode) .................... 44
Set Thermostat Heat Anticipator .................... 45
Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.
PC 101 Catalog No 535-80154 Printed in U.S.A. Form 58MSA-11SI Pg 1 2-05 Replaces: 58MSA-10SI
To Next Page
Need help?
General
