Gas Heater User Manual

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Chromalox

DIVISION

SECTION

GCH-GCHIS

SALES

REFERENCE

DATE

SERVICE REFERENCE

Installation, Operation

and

RENEWAL PARTS IDENTIFICATION

PE419-5

161-027331-001

FEBRUARY, 2009

(Supersedes PE419-4)

GENERAL

GCH and GCHIS-6 Circulation Heaters

For Steam, Gas and Air Heating

Read and understand all instructions before

installing, servicing or operating product. Failure

to do so could result in personal injury or property

damage.

The GCH and GCHIS-6 series is a general-purpose gas or steam

circulation heater intended for use indoors.

The 6 INCOLOY® sheathed tubular elements are centered in a 5”

diameter heating chamber and welded to a removable flange. The

assembly is surrounded by 1-1/2” insulation and sheet metal jacket.

The GCH series has a steel flange and chamber. The GCHIS series has

stainless steel flange and chamber.

Depending upon the order specifications, the GCH-GCHIS-6 may

or may not be factory equipped with an AR or other Chromalox ther-

mostat. Such thermostats function to control outlet temperatures and to

limit internal temperatures under abnormal flow conditions. These

controls do not fail safe.

The system designer is responsible for the safety

of this equipment and should install adequate

back-up controls and safety devices with their

electric heating equipment. Where the conse-

quences of failure could result in personal injury or

property damage, back-up controls are essential.

Specifications — Table A

Dimensions (In.)

Model Volts Phase kW W/In

AB C D

GCH-60905 240 or 480 1 or 3 LL 9 23.8 41-3/4 30 25 11-3/8

GCH-61205 240 or 480 1 or 3 LL 12 23.1 48-3/4 37 25 14-7/8

GCH-62005 240 or 480 1 or 3 LL 20 23.3 60-1/4 48-1/2 25 20-5/8

GCH-62505 240 or 480 3Y 25 22.9 73-5/8 61-7/8 25 27-5/16

GCH-63005 240 or 480 3Y 30 22.7 86-5/8 74-7/8 25 33-7/8

GCHIS-6045 240 or 480 3Y 4 15 41-3/4 30 25 11-3/8

GCHIS-6085 240 or 480 3Y 8 15 48-3/4 37 25 14-7/8

GCHIS-6125 240 or 480 3Y 12 15 60-1/4 48-1/2 25 20-5/8

GCHIS-6155 240 or 480 3Y 15 15 73-5/8 61-7/8 25 27-5/16

GCHIS-6205 240 or 480 3Y 30 15 86-5/8 74-7/8 25 33-7/8

12-1/32”

8-3/4”

1-1/4”

8”

Mtg. Lugs

3/8-16 Tap

1-1/2” Deep

1-3/8” K.O.

For 1” Conduit

1” Pipe

Inlet

1” Pipe

Outlet

Thermostat

Summary of content (4 pages)

PAGE 1
Chromalox ® Installation, Operation SERVICE REFERENCE 4 DIVISION and SALES REFERENCE RENEWAL PARTS IDENTIFICATION SECTION GCH-GCHIS PE419-5 (Supersedes PE419-4) 161-027331-001 DATE FEBRUARY, 2009 GCH and GCHIS-6 Circulation Heaters For Steam, Gas and Air Heating Specifications — Table A 1” Pipe Outlet Dimensions (In.) 1-1/4” Mtg.
PAGE 2
INSTALLATION 4. Mount heaters to permit unrestrained expansion of chamber due to temperature. This can be accomplished by using a slotted mounting assembly on either of the lugs. ELECTRIC SHOCK HAZARD. Disconnect all power before installing or servicing heater. Failure to do so could result in personal injury or property damage. Heater must be installed by a qualified person in accordance with the National Electrical Code, NFPA 70. FIRE HAZARD.
PAGE 3
WIRING CONTACTOR CONTACTOR CONTACTOR L1 L2 L3 THERMOSTAT THERMOSTAT THERMOSTAT Figure 8 – GCHIS 240V, 3øY Instructions for converting GCH6, 240V, 3ø to GCH6, 480V, 3ø 1. Remove all jumper straps and separate according to different lengths. 2. Discard jumper straps 166-075229-018 (1-1/4” long). 3. Reassemble jumper straps 166-014828024 (2-1/2” long) and 166-075229-014 (1-1/2” long) as in Figure B. 4. Replace washers and nuts. 5. Check circuits.
PAGE 4
RENEWAL PARTS Catalog Number Volts Phase kW Heating Element GCH-60905 240 240 480 482 1 3L 1 3L 9 9 9 9 155-115143-001 155-115143-002 155-115143-003 155-115143-004 GCH-61205 240 240 480 480 2-1 3L 1 3L 12 12 12 12 155-115143-006 155-115143-007 155-115143-008 155-115143-009 GCH-62005 240 240 480 480 2-1 3L 1 3L 20 20 20 20 155-115143-011 155-115143-012 155-115143-013 155-115143-014 GCH-62505 240 480 480 2-3 L 2-1 3L 25 25 25 155-115143-016 155-115143-017 155-115143-018 GCH-63005 240