Page 7 - Raritan L206v0420v Water Heater Owners Manuls

FIG 5 HEAT EXCHANGER
The following information is only a general guideline and any installation is made at the risk of the
installer. No responsibility to Raritan Engineering Company, Inc. is to be presumed or implied from
these general instructions.
To determine the proper setting of the gate valve
Two 3/4" NPT female threads are provided in the (4), the engine should be operated at full throttle
heat exchanger for connection to hoses or pip- with the gate valve wide open. When the engine
ing from engine cooling system. Because of the temperature has stabilized, gradually close the valve
diversity of marine cooling configurations, it is until the engine temperature begins to rise. The
not possible to provide universal installation in- valve should then be reopened enough to establish
structions; the installer MUST follow the engine the proper engine operating temperature. Engine
manufacturer's recommendations. temperature should be monitored to verify that the
entire cooling system is functioning properly. Open
NOTE: If heat exchanger is higher than engine valve (4) if heated water temperature exceeds 120°
coolant pump, check with engine manufacturer F (49°C).
for allowable height of coolant lines.

THE FOLLOWING DIAGRAM IS INTENDED ONLY AS A GENERAL GUIDELINE TO
SHOW HOW A PORTION OF THE ENGINE COOLANT MAY BE DIVERTED TO THE HEAT
EXCHANGER:
WARNING: If coolant water from engine is salt water, Heat Exchanger must stay flooded with water at all
times. Cycling between dry and full will corrode heat exchanger and void warranty.
FROM WATER HEATER
LEGEND:
(See Fig. #1)
1. Hottest water from engine (full flow). TO WATER HEATER
2. Pipe tee; full flow on run, 3/4" NPT on branch. WARNING: Piping and gate valve
3. Hose to hot water heat exchanger. (Item #4) may become extremely
4. Gate valve sized to permit full flow of coolant. hot while engine is operating. Be
5. Pipe tee; full flow on run, 3/4" NPT on branch. sure to wear heavy gloves when
6. Hose from hot water heat exchanger. adjusting gate valve.
7. Full flow return to engine cooling system.

SPECIFICATIONS
6 gallon - 14 ½"(36.9cm) Electrical Recovery Rate = 13 gallons (49.2 liters) per hour
12 & 20 gallon - 18 ¾"(47.6cm)
Temperature and Maximum Operating Pressure: Tank: rated at 150 psi (1034kPa)
Pressure Valve Drain
to Bilge With Temperature and Pressure Valve Installed: 50 psi (345kPa)
6 & 12 gallon:
16 ¼"(41.3cm) Hot Water Amps: 10 (120V AC), 5 (240V AC) or 18.75 (240V AC) for
Engine model 17120203 and 17200203
20 gallon: Cold Water E Coolant In
24 ¼"(61.6cm) D In Engine Thermostat: Adjustable: Factory Set to 120°F (49°C)
F Coolant Out (Effects AC Power only)
C C
G Anode: Magnesium

Model # Size Capacity A & B C D E F G Ship Wt.
1706XX 6-gal(22.71liters) 6 gallons see above 3 3/8"(8.6cm) 11"(28cm) 10 ¼"(26cm) 12 1/2"(31.8cm) 16 ½"(42cm) 37lbs(16.8kg)
1712XX 12-gal(45.4 liters) 11 gallons 3 3/8"(8.6cm) 11"(28cm) 10 ¼"(26cm) 12 3/8"(31.4cm) 20 ½"(52cm) 55lbs(24.9kg)
1720XX 20-gal(75.7 liters) 17.5 gallons 3 3/8"(8.6cm) 18 ¾"(47.6cm) 10 ¼"(26cm) 12 3/8"(31.4cm) 20 ½"(52cm) 68lbs(30.8kg)
Note: 12 gallon with HE is 10 gallon capacity
XX = 01(120V) or 02(240V) without Heat Exchanger, 11(120V) or 12(240V) with Heat Exchanger
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