Mestek M) G 025, Installation And Operation Instructions Manual, Page: 45 / 47

Form 43471040
-44- Oct 2013
52 43470040 Label, Operating Instructions 1
53 43470050 Label, Caution/Attention 1
54 43470060 Label, Horizontal Venting 1
55 43269060 Label, Thermostat Connection 1
56 43269070 Label, 2-stage 1
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24b
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50
ELECTRICAL SHOCK
HAZARD
DISCONNECT POWER
BEFORE OPENING COVER
CAUTION
120 VOLTS
42834000
Alternate Supply
Locations
TYPICAL GAS
CONNECTION END VIEW
Movement
14 - 17”
(356 - 432mm)
Control Box
SIDE VIEW
Flexible Connector
Optional Second Stage Regulator with
Vent Leak Limiter if required to reduce
the Supply Pressure below 14” W.C. Recommended Gas
Pressure 2 PSIG
Gas Supply
Piping
Sediment Trap
(Drip Leg)
43344050 Rev. C 3/09
Install the gas flexible hose as shown in the diagram below:
Sharp bends, kinks, twists and tension in the hose may cause failure resulting in a gas
leak.
Failure to follow these instructions may result in death, serious injury or property damage.
CONTROL
COMPONENTS
42
SCHEMATIC WIRING DIAGRAM
MOT Motor Moteur
GL Green Light Témoin vert TRANS 24V Transformer Transformateur 24ÊV
RL Red Light Témoin rouge
AS Air Switch pressostat
SM Ignition Module Bloc d'allumage
IG/S Ignitor / Sensor électrode V Gas Valve Robinet à gaz
AL Amber Light Témoin ambre
MOT
120V
GL
TRANS
RL AS
IG/S
AL
V
SM
42785000 Rev. C 10/04
25V GND 25V
Combustible material must be located outside the clearance dimensions listed.
Ceiling Clearance is 12” (30cm) when installed in an UNVENTED configuration. Ceiling
clearance is 18” (46cm) when the optional corner reflectors are not used on ETS or LTS.
Failure to do so may result in death, serious injury or property damage
Models LTS/LTU/ETS/ETU
43344000 Rev. B 10/04
Le dégagement au-dessus de l'appareil doit être d'au moins 30 cm quand l'appareil est installé
SANS ÉCHAPPEMENT. Le dégagement au-dessus de l'appareil doit être d'au moins 46cm
quand les réflecteurs d'angle optionnels ne sont pas utilisés sur l'ETS ou le LTS.
D D
Dessous, 6m du brûleur
Below 20ft from burne r
C*
20ft (6m)
Model No A B C D E F C*
40,50 27” 6” 40” 30” 48” 12” -
(69cm) (15cm) (104cm) (76cm) (122cm) (30cm)
60,75 27” 6” 60” 30” 48” 12” -
(69cm) (15cm) (145cm) (76cm) (122cm) (30cm)
80,90 52” 6” 84” 30” 52” 12” 72”
(132cm) (15cm) (145cm) (76cm) (122cm) (30cm) (183cm)
100 66” 6” 88” 40” 66” 20” 72”
(168cm) (15cm) (224cm) (102cm) (168cm) (30cm) (183cm)
110,120, 66” 6” 101” 40” 66” 20” 72”
125,130 (168cm) (15cm) (257cm) (102cm) (168cm) (51cm) (183cm)
140,150, 84” 6” 106” 48” 84” 24” 72”
160,175 (213cm) (15cm) (269cm) (122cm) (213cm) (61cm) (183cm)
180,200, 84” 18” 132” 48” 84” 24” 72”
225,250 (213cm) (46cm) (335cm) (122cm) (213cm) (61cm) (183cm)
Horizontal
B
C
A A
45 degrees
B
C
E
F
Montage horizontal
Montage à 45°
46
GAS TYPE
SUPPLY PRESSURE
Pression de Sortie
Type de Gaz
MAXIMUM MINIMUM
MANIFOLD PRESSURE
Pression a l’echappement
INPUT Btu/Hr
Consommation Btu / Hr
ORIFICE SIZE
Dimensions bec Veilleuse
MODEL NO.
No. de Modelè
Installation in:
1. Aircraft hangars must be in accordance with the standard for Aircraft Hangars.
ANSI/NFPA 409 (latest edition).
2. Public garages must be in accordance with the standard for parking structures,
ANSI/NFPA 88a (latest edition), or with the standard for repair garages,
ANSI/NFPA 88b (latest edition)
SERIAL NO.
No. de Série
LIGHTING & SHUTDOWN INSTRUCTIONS
1. Turn on gas & electrical supply.
2. Set thermostat to call for heat.
3. Ignition should occur after prepurge.
4. If ignition fails, the unit will spark for approximately 21 seconds
& go into safety lockout. Turn thermostat (or power) off for 60
seconds to take out of lockout.
5. If heater does not light, shut off gas completely for 5 minutes
before attempting to relight.
6. To shut down the heater, turn off the gas & electrical supply.
Infrared Radiant Tube Heater
Radiateur à tuve rayonnant à infrarouge
Gas Fired products Inc. Charlotte, NC
INSTRUCTIONS D’ALLUMAGE ET DE FERMETURE
1. mettre la valve a gaz et l’interrupteur a “ON”.
2. Creer une demande de chauffage au thermostat.
3. L’allumage devrait se produire apres de prepurge.
4. Si l’allumage ne se fait pas, le controle d’allumage continu de
produire des etincelles sur une periode de 21 sec. et ensuite
tomber en securite. Mettre le thermostat (ou le courant) en
position d’arret (OFF) pour une periode de 60 sec. a fin
d’interrompre le processus de securite.
5. Si l’appareil ne s’allume pas, fermez le gaz completement pour
une period de 5 min. avant d’effectuer une nouvelle tentative
d’allumage.
6. Pour fermer l’appareil, fermez le gaz et le courant electrique.
For indoor installation only
Installer à l’intérieur seulement
Vented or Unvented
ELECTRICAL:
ALTITUDE
ANSI Z83.20 / CSA 2.34 - 2008 Tel: 1800 438 4936 e-mail info@spaceray.com
CODE DATE
42848000 Rev. K 1/09
MAX ANGLE:
Max Angle Electrique
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48
WARNING: Improper
installation, adjustment,
alteration, service or
maintenance can cause
property damage, injury
or death. Read the
Installation, Operating
and Maintenance
Instruction thoroughly
before servicing this
equipment.
AVERTISSEMENT: Une
installation, un réglage, une
modification, une réparation
ou un entretien incorrect peut
entraîner des dommages
matérials, des blessures ou
la mort. Lisez attentivement
les instructions d’installation,
de fonctionnement et
d’entretien avant de procéder
à l’installation ou à l’entretien
de cet équipment.
WARNING: If not
installed, operated and
maintained in accordance
with the manufacturer’s
instructions, this product
could expose you to
substances in fuel or from
fuel combustion which can
cause death or serious
illness and which are
known to the State of
California to cause cancer,
birth defects or other
reproductive harm.
WARNING: This product
contains a chemical known
to the state of California to
cause cancer.
This heater can be
installed in various
configurations as shown
in the heater layout
section of the instructions
42875000 Rev. E 10/04
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43
WIRE LEGEND
ENGLISH FRANCAIS
BK BLACK NOIR
W WHITE BLANC R RED ROUGE
BL BLUE BLEU
G GREEN VERT
V VIOLET VIOLET
A AMBER AMBRE
42706000 Rev. G 1/05
G
BL BL
BK BK
R
W
BK
BK
R BK
W
BK BK
BK W
DRAFT
INDUCER
MOTOR
GAS VALVE
AIR SWITCH
25V
(GND)
25V GND
(BURNER)
VALVE VALVE
TRANSFORMER
120V PRIMARY 24V SECONDARY
A
G
R
IGNITION MODULE
HIGH VOLTAGE
CABLE
ELECTRODE
GAP 3/16”
CONTINUE TO
ADDITIONAL HEATERS
NEUTRAL
120V
THERMOST
A T
GROUND
L1
L2
TERMINAL
BLOCK
FACTORY WIRING
FIELD WIRING
CONNECTION WIRING DIAGRAM
CONTROL CABINET
If any of the original wire as supplied
with the appliance must be replaced.
It must be replaced with wiring material
having a temperature rating of at least
105oC. (18 AWG. - UL / CSA 600V
Type TEW)
When connecting the supply circuit to
the heater, wiring material having a
minimum size of 14 AWG and a
temperature rating of at least 90oC
shall be used.
MONITORING LIGHTS
Schéma de circuit de connexion
Circuit d'origine
Connexions client
Lampes témoins
Neutre
Terre
Vers les autres
radiateurs
Plaque à
bornes
Transformateur
bobine primaire 120ÊV
bobine secondaire 24ÊV
pressostat
Robinet à gaz
Écartement
d'électrode
4,7Êmm
Haute tension
Armoire de commande
Bloc d'allumage
Moteur
d'amorce
d'aspiration
S'il faut remplacer un fil de l'appareil
d'origine, utiliser exclusivement des fils
à température de service nominale
d'au moins 105C (18 AWG. - UL / CSA
600ÊV
Type TEW).
Pour raccorder le circuit d'alimentation
au radiateur, utiliser des fils de calibre
14 AWG ou plus à température de
service nominale d'au moins 90C.
53
2-Stage Thermostat
43269060 rev A
HI
C
LO
52
28
27
24a
21
49
Note: When venting a single
heater horizontally through a
combustible outside wall the
vent must pass through a 2”
clearance thimble (Air Jet No.
4VT or Ameri-vent No 4EWT
for the 40 – 75,000 BTU
heaters and Air-Jet No 6VT or
Ameri-Vent No. 6EWT for the
80 – 250,000 Btu heaters) or
other thimbles which are listed
by nationally recognized testing
agency.
Attach a vent cap (Breidert No.
4L or equivalent for the 40-
75,000 BTU heaters or Breidert
No. 6L or equivalent for 80 –
250,000 BTU heaters) to the
end of the pipe.
Minimum equivalent length of
vent pipe = 5ft (1.5m)
Maximum equivalent length of
vent pipe = 75ft (23m)
THIS UNIT EQUIPPED WITH A
2 AMP IN LINE-FUSE FOR
OVERCURRENT PROTECTION
OF CONTROL CIRCUIT
ELECTRIC SHOCK
HAZARD
Disconnect electrical supply
before servicing
Failure to follow these
instructions may result in
death, serious injury or
property damage.
WARNING
DRAFT INDUCER SERIAL NUMBER
42922020 Rev C 8/05
SIDEWALL VENTING ONLY
UN MUR LATÉRAL AÉRATION
GAS-FIRED UNIT HEATERS
48a
48b
Two Stage
43269070 4/08
High Fire
Low Fire