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Truma Combi D comfort plus
Diesel furnace with supplementary
indirect water heating
Operating instructions
To be kept in the vehicle.
This document is part of the product.
Certified to UL 307A
Certified to UL 174
Certified to CSA B140.10
R
Certified to CSA-C22.2 No. 110
FIRE OR EXPLOSION HAZARD
Failure to follow safety warnings exactly
could result in serious injury, death or prop-
erty damage.
Do not store or use gasoline or other flam-
mable vapors and liquids in the vicinity of
this or any other appliance.
Installation and service must be performed
by a certified service technician.
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Table of Contents
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Summary of Contents for Truma Combi D comfort plus
- Page 1 Truma Combi D comfort plus Diesel furnace with supplementary indirect water heating FIRE OR EXPLOSION HAZARD Operating instructions Failure to follow safety warnings exactly To be kept in the vehicle. could result in serious injury, death or prop- This document is part of the product.
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Page 2: Table Of Contents
SAVE THESE INSTRUCTIONS ..........6 Combi D below. Safety symbols and signal words ........6 Safety behavior and practices ..........6 Truma CP plus referred to as CP plus below. Safety features ..............8 Operating Instructions Intended use How the Combi D furnace works ........9 The Combi D furnace with supplementary indi-... -
Page 3: Mounting Arrangement / Accessories
Room temperature sensor and combustion air intake CP plus control panel Insulating sleeve Opening for circulation air intake Truma water pressure regulator (with mounted grid) Non-return valve Warm air ducts Truma pressure relief/drain valve Warm air end outlet with air throttle... -
Page 4: Furnace Diagram
Furnace diagram 17/18 Fig. 2 Fig. 3... - Page 5 1 Combi D furnace 2 Connection for combustion air intake duct 3 Connection for exhaust venting duct 4 Connection for exhaust duct 5 Connector cover 6 Warm air outlets (upper) 7 Warm air outlets (lower) 8 2-pole, 3-wire 120 volt electrical plug 9 Plastic frame feet 10 Aluminum frame feet 11 Circulated air fan...
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Page 6: Consumer Safety Information
Consumer Safety Information • Keep the area in front of the warm air outlets (Fig. 1–L) free of combustible or heat-sensi- tive materials. Do not put any material into SAVE THESE INSTRUCTIONS the warm air outlets. • In order to avoid overheating of the Combi D Safety symbols and signal words furnace, keep the air inlets of the Combi D furnace (Fig. - Page 7 • The exhaust gas system must be inspected • How long before hot water causes skin by an expert at regular intervals or at least damage? every 2 years. • Fuel at low temperatures: Temperature Time before skin becomes Refineries or filling stations automatically °F (°C) scalded adapt the fuel to the usual winter tempera-...
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Page 8: Safety Features
Safety features Safe handling of malfunctions • Switch OFF the Combi D furnace if anything seems to be out of the ordinary. The Combi D furnace is equipped with the following safety devices: • Danger of fire or explosion when attempting to use a flood-damaged Flame monitoring Combi D furnace or if the RV has been in- If the flame goes out, the fuel supply is... -
Page 9: Operating Instructions
Operating Instructions A wall cowl allows combustion air to flow into the furnace and exhaust gas to flow out. The wall cowl and the furnace are connected by a Read and follow the “Consumer Safety In- duct in the duct exhaust venting system: an ex- formation”... -
Page 10: Room Temperature Sensor
– The pressure relief/drain valve is not ser- viceable; if defective, it must be replaced. It must be replaced by a certified service technician. – It must only be replaced by the Truma pressure relief/drain valve rated for 65.25 psi (4.5 bar) which is CSA certified and registered. -
Page 11: Opening The Truma Pressure Relief/Drain Valve
Inspections before each use Check the Combi D furnace for the following points before each use. In case of damage, con- tact an authorized Truma service provider and do not operate the Combi D furnace. • Inspect the furnace (Fig. 1–G), exhaust vent- ing system, and wall cowl (Fig. -
Page 12: Filling The Water Container
1. Close the pressure relief/drain valve, if open • Test the temperature of the water before (refer to “Closing the Truma pressure relief/ placing a child in the bath or shower. drain valve” on page 11). -
Page 13: Shutdown
3. Open all water release points, e.g. cold and hot water faucets, showers, toilets. 4. Open the pressure relief/drain valve (refer to “Opening the Truma pressure relief/drain valve” on page 11). The water container will drain via the drainage socket of the pressure relief/drain valve. -
Page 14: Winterizing
Winterizing Winter operation Severe damage to the plumbing To operate the Combi D furnace in potentially components and the Combi D furnace! freezing conditions, the following requirements Damage due to freezing or an unsuitable win- must be ensured: terizing fluid is not covered by warranty. •... -
Page 15: Truma Combi D Comfort Plus Technical Data
Truma Combi D comfort plus Technical Data Fuel Diesel (ULSD only) Fuel consumption 7.4 - 21.3 fl.oz./h (220 – 630 ml/h) 3.72 fl.oz./h (110 ml/h) at average Heat output of 3400 BTU/h (1 KW) Duct static pressure minimum of 0.00 in. wc (0.0 mbar) maximum of 0.65 in. wc (1.6 mbar) -
Page 16: Combi D" Manufacturer'slimited Warranty
/ or alterations of out- tute rental or for any other reason, even if Truma of-specification supplies, (ii) accidents, misuse, knew or should have known of the possibility of... -
Page 17: Maintenance And Service
There are no serviceable parts inside. from the system. The residual heat in the device will heat the water to up to 158 °F In case of a defect please contact the Truma (70 °C). Service Center on 1-855-558-7862 or one of our authorized service partners to replace the complete furnace. -
Page 18: Truma Pressure Relief/Drain Valve
It must be replaced by a certified service technician. • A defective fuse must be replaced with the – It must only be replaced by the Truma pres- same make and model of fuse. sure relief/drain valve rated for 65.25 psi (4.5 bar) which is CSA certified and... -
Page 19: Troubleshooting
1 minute after the Limited combustion air Contact customer service. equipment is started. infeed. If none of the measures in the troubleshooting chart proves successful, please contact your dealer, the Truma Service Center on 1-855-558-7862 or one of our authorized service partners. - Page 20 In case you encounter any problems, please contact the Truma Service Center at 855-558-7862 or one of our authorized service partners. For details see www.truma.net. Please have the model number and serial number (on furnace’s type plate) handy when you call.
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