Thinicon EHA/D1005 User Manual

EHA/D Manual TH261118ER1 THINICON

1 Introduction：

EHA/D small water-jacket heater is consists of heating element and temperature switches, and a

type of water cooling small engines which is special designed for telecommunication stations , the
power supply is DC48V. After installed heater, the engine starting ability will upgrade, reducing startup
losses, reduce wear and save fuel. Feature：

l Microcomputer temperature control
l Precision die-cast aluminum water jacket case
l Power source and heating status indicate lights
l Additional rubber sleeve to reduce thermal losses
l Compact design and installation needs less space requirement

2 Shape and installation dimensions：

EHA/D Manual TH261118ER1 THINICON

3 Wiring and electrical schematics：

4 Installation

Installed correctly is very important for the normal work of the heater, otherwise it will damage the

heater. Selection of 5/8 "(15mm) bore diameter hose.

Position：

l Outlet vertically upward
l Isolation the engine vibration
l The heater water-jacket is setting in low position as far as possible below the engine cooling fluid.

Electrical connections：

l Refer to the above wiring diagram
l Must provide the good ground to ensure that the heater effectively grounding protection
l User according to the power of the heater, select the appropriate main power circuit breaker to

ensure the effective heater overcurrent protection.

Warning：

l Heater installation and maintenance must be disconnected from the main

power supply.

l Must be installed and maintained by qualified engineers.
l During transport and parking, if the ambient temperature causes the

coolant in the heater water jacket to solidify, the coolant must be drained
cleanly.

5 Specifications：

Model

Voltage
Power
Current
Suitable coolant volume
Insulation resistance

Voltage strength
Pressure test
Protection level
Operating temperature range

Storage temperature range

EHA/D1005

DC48
500W

10.4A
2L

10MΩ
1800V

≥0.5Mpa

IP65

-20 to 70℃

-30 to 80℃

(Factory default heating temperature control range is 38 ℃ to 49 ℃)