Carrier EHC05CKN Installation Instructions Manual

EHC
Electric Heater Packages
NOTE: Read the entire instruction manual before starting the
installation.
SAFETY CONSIDERATIONS
Installing and servicing of heating and air conditioning equipment can be
hazardous due to system pressures and electrical components. Only
trained personnel should install or service heating and air conditioning
equipment.
Untrained personnel can perform basic maintenance functions such as
cleaning coils, or cleaning and replacing filters. All other operations
should be performed by trained personnel. When working on heating
and air conditioning equipment, observe precautions in literature, on
tags, and on labels attached to the unit.
Follow all safety codes. Wear safety glasses and work gloves. Have a
fire extinguisher available.
Recognize safety information. This is the safety-alert symbol
you see this symbol on the unit and in instructions or manuals, be alert to
the potential for personal injury.
HEATER kW
PART NO. @ 240V
EHC05CKN 5
EHC07CKN 8
EHC10CKN 10
EHC05BKN 5
EHC07BKN 8
EHC10BKN 10
EHC20BKF 20
EHC05CKB 5
EHC07CKB 8
EHC10CKB 10
EHC05BKB 5
EHC07BKB 8
EHC10BKB 10
EHC20BKB 20
EHC09BKCN 9
EHC15BKF 15
EHC15BKB 15
EHC15BHN 15
EHC18BHN 18
EHC25BHCF 24
EHC30BHCF 30
*. Does not include heat from blower motor.
†. Size 18 fan coil has a special 6-pin connector. Do not modify wiring.
‡. Single point wiring kit required for these heaters.
**. Field convertible to 3 phase.
NOTE: Use an accessory downflow base to maintain proper clearance
Installation Instructions
. When
Table 1 – EH Heater Table
STAGES (kW
VOLTS/PH
OPERATING)
230/1 5
230/1 8
230/1 10
230/1 5
230/1 8
230/1 10
230/1 5, 20
230/1 5
230/1 8
230/1 10
230/1 5
230/1 8
230/1 10
230/1 5, 20
**
3, 9
230/1
230/1 5, 15
230/1 5, 15
3 Phase Only
230/3 5, 15
230/3 6, 12, 18
3 Phase, Factory Shipped (field convertible to single phase)
230/3 8, 16, 24
230/3 10, 20, 30
Understand the signal words DANGER, WARNING, and CAUTION.
These words are used with the safety-alert symbol. DANGER identifies
the most serious hazards which will result in severe personal injury or
death. WARNING signifies hazards which could result in personal
injury or death. CAUTION is used to identify unsafe practices, which
may result in minor personal injury or product and property damage.
NOTE is used to highlight suggestions which will result in enhanced
installation, reliability, or operation.
!
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or death.
Before beginning any installation or modification, be sure the main
electrical disconnect switch(es) is in the OFF position. There may be
more than one power supply. Tag the disconnect switch(es) with a
suitable warning label.
INTERNAL CIRCUIT FAN COIL SIZE USED
PROTECTION
None
None
None
None
None
None
‡
Fuse
Circuit Breaker
Circuit Breaker
Circuit Breaker
Circuit Breaker
Circuit Breaker
Circuit Breaker
Circuit Breaker
None
‡
Fuse
Circuit Breaker
None
None
Fuse
Fuse
on downflow installations.
WARNING
HEATING CAP.
WITH @ 230V
†
15,700
18
†
25,100
18
†
31,400
18
24–60 15,700
24–60 25,100
24–60 31,400
30–60 62,800
†
15,700
18
†
25,100
18
† 31,400
18
24–60 15,700
24–60 25,100
24–60 31,400
30–60 62,800
36–60 28,200
24–60 47,100
24–60 47,100
36–60 47,100
42–60 56,500
48, 60 78,300
48, 60 94,100
*