Munters GRY-D 15 HU, GRY-D 20 HU, GRY-D 20 WU, GRY-D 28 WU, GRY-D 40 WU Operating, Installation And Service Instructions
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Operating, Installation
and Service Instructions
GRY-D
GRY-I
Direct-fired Diesel
or Kerosene Heaters
GRY-D 15 HU
GRY-D 20 HU
GRY-D 20 WU
GRY-D 28 WU
GRY-D 40 WU
GRY-D 60 WU
GRY-I 15 WU
GRY-I 25 WU
GRY-I 40 WU
Index
1. General safety rules
2. Description of the appliance
3. Technical data
4. Installation instructions
5. Instructions for use
6. Maintenance
7. Troubleshooting
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1. GENERAL SAFETY RULES
• READ INSTRUCTIONS CAREFULLY. READ AND FOLLOW ALL INSTRUCTIONS. PLACE
INSTRUCTIONS IN A SAFE PLACE FOR FUTURE REFERENCE. DO NOT ALLOW ANYONE WHO HAS
NOT READ THESE INSTRUCTIONS TO ASSEMBLE, LIGHT, ADJUST OR OPERATE THE HEATER.
• IF THE INFORMATION IN THIS MANUAL IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION
MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY OR LOSS OF LIFE.
• SERVICE MUST BE PERFORMED BY A QUALIFIED SERVICE AGENCY.
• UNVENTED PORTABLE HEATERS USE AIR (OXYGEN) FROM THE AREA IN WHICH IT IS USED.
ADEQUATE COMBUSTION AND VENTILATION AIR MUST BE PROVIDED. REFER TO INSTRUCTIONS.
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE
VICINITY OF THIS OR ANY OTHER APPLIANCE.
FIRE, BURN, INHALATION, AND EXPLOSION HAZARD. KEEP SOLID COMBUSTIBLES, SUCH AS
BUILDING MATERIALS, PAPER OR CARDBOARD, A SAFE DISTANCE AWAY FROM THE HEATER AS
RECOMMENDED BY THE INSTRUCTIONS. NEVER USE THE HEATER IN SPACES WHICH DO OR MAY
CONTAIN VOLATILE OR AIRBORNE COMBUSTIBLES, OR PRODUCTS SUCH AS GASOLINE,
SOLVENTS, PAINT THINNER, DUST PARTICLES OR UNKNOWN CHEMICALS.
COMBUSTION BY-PRODUCTS PRODUCED WHEN USING THIS PRODUCT CONTAIN CARBON
MONOXIDE, A CHEMICAL KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER AND BIRTH
DEFECTS (OR OTHER REPRODUCTIVE HARM).
FAILURE TO COMPLY WITH THE PRECAUTIONS AND INSTRUCTIONS PROVIDED WITH THIS
HEATER, CAN RESULT IN DEATH, SERIOUS BODILY INJURY AND PROPERTY LOSS OR DAMAGE
FROM HAZARDS OF FIRE, EXPLOSION, BURN, ASPHYXIATION, CARBON MONOXIDE POISONING,
AND/OR ELECTRICAL SHOCK. ONLY PERSONS WHO CAN UNDERSTAND AND FOLLOW THE
INSTRUCTIONS SHOULD USE OR SERVICE THIS HEATER. IF YOU NEED ASSISTANCE OR HEATER
INFORMATION SUCH AS AN INSTRUCTIONS MANUAL, LABELS, ETC. CONTACT THE
MANUFACTURER.
NOT FOR HOME OR RECREATIONAL VEHICLE USE
YOUR SAFETY IS IMPORTANT TO YOU AND TO OTHERS,
SO PLEASE READ THESE INSTRUCTIONS BEFORE YOU OPERATE THIS HEATER
• THE ELECTRICAL SYSTEM TO WHICH THE APPLIANCE IS CONNECTED MUST COMPLY WITH
CURRENT LEGISLATION. INSTALLATION REQUIRES A SUITABLE CIRCUIT BREAKER IN THE MAIN
DISTRIBUTION BOARD.
• UNPLUG THE APPLIANCE BEFORE PERFORMING ANY MAINTENANCE OPERATIONS.
• ALWAYS CHECK THE POWER CABLE BEFORE USING THE APPLIANCE. IT MUST NOT BE BENT,
TAUT, STREACHED, CRUSHED OR ANY WAY DAMAGED.
• THE POWER CABLE CONNECTION MUST BE MADE BY QUALIFIED PERSONNEL ONLY. USE AN
ORIGINAL POWER CABLE ONLY WITH A 3-PIN APPROVED PLUG.
• DANGER (BURNS)! DO NOT TOUCH THE EXHAUST GAS OUTLET.
2. APPLIANCE DESCRIPTION
• Mobile space heater with:
closed combustion chamber and gas exhaust duct (indirect-fired models)
open combustion chamber (direct-fired models)
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WARNING
WARNING
WARNING
GENERAL HAZARD WARNING
WARNING
WARNING
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automatic cooling function (indirect-fired models and GRY-D 60)
3. TECHNICAL SPECIFICATIONS
3.1 Direct-fired heaters
Model # GRY-D
15 HU
GRY-D
20 HU
GRY-D
20 WU
GRY-D
28 WU
GRY-D
40 WU
GRY-D
60 WU
Heat Input (BTU/hr) 51,600 80,500 80,500 101,260 140,200 211,000
Air Flow Rating (ft³/min) 210 240 240 300 620 765
Fuel Type Diesel
Kerosene
#1-2 Fuel Oil
Fuel Consumption (gal/hr)
0.39 0.58 0.58 0.73 1.01 1.51
Diesel
Kerosene #1-
2 Fuel Oil
Diesel
Kerosene #1-
2 Fuel Oil
Diesel
Kerosene
#1-2 Fuel
Oil
Diesel
Kerosene
#1-2 Fuel
Oil
Diesel
Kerosene
#1-2 Fuel Oil
Fuel Nozzle Size 0.40 gph 0.65 gph 0.65 gph 0.75 gph 1.00 gph 1.50 gph
Efficiency (%) (100) (100) (100) (100) (100) (100)
Noise Level at 2m (dB(A))
69 71 71 72 75 75
Voltage (V) 115V 60Hz 115V 60Hz 115V 60Hz 115V 60Hz 115V 60Hz 115V 60Hz
Electrical Power 1/6 HP 1/6 HP 1/6 HP 1/4 HP 1/3 HP 1/3 HP
Current Rating (A) 1.8 2.0 2.0 3.5 4.0 4.2
Weight (lb) 41 44 57 68 81 84
Lenght (in) 32 32 33 34 37 42
Width (in) 14 14 17 19 22 22
Height (in) 16 16 18 21 24 25
Tank Capacity (gal) 5.6 5.6 5.6 8 12 12
Air Pressure Setting (psi) 4.1 4.5 4.5 4.8 5.8 4.9
3.2 Indirect-fired heaters
Model # GRY-I
15 WU
GRY-I
25 WU
GRY-I
40 WU
Heat Input (BTU/hr) 50,630 91,750 133,000
Air Flow Rating (ft³/min) 412 557 710
Fuel Type Diesel
Kerosene
#1-2 Fuel Oil
Diesel
Kerosene
#1-2 Fuel Oil
Diesel
Kerosene
#1-2 Fuel Oil
Fuel Consumption (gal/hr) 0.36 0.66 0.94
Fuel Nozzle 0.40 gph 0.75 gph 1.00 gph
Efficiency (%) 84.4 80.0 81.4
Noise Level at 2m (dB(A)) 63 75 75
Voltage (V) 115V 60Hz 115V 60Hz 115V 60Hz
Electrical Power 1/4 HP 1/3 HP 1/3 HP
Current Rating (A) 3.5 4.0 4.0
Weight (lb) 77 88 93
Lenght (in) 34 37 42
Width (in) 19 22 22
Height (in) 22 25 26
Tank Capacity (gal) 8 12 12
Air Pressure Setting (psi) 4.4 4.8 4.9
4. INSTALLATION INSTRUCTIONS
4.1. General instructions
• THE INSTALLATION OF THE EQUIPMENT SHALL BE IN ACCORDANCE WITH THE REGULATION OF
AUTHORITIES HAVING JURISDICTION AND CSA B139.
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