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[Datsun 1200 encyclopedia]

Air conditioning

Revision as of 08:45, 22 April 2010; view current revision
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Category: Body

Datsun 1200, unlike the Datsun 1000, was designed with air conditioning in mind. However, it was still a dealer-installed add-on option and so varied by country and region. In April 1978 it became a factory option for Japanese market Sunny Truck. The interior cooler protrudes into the passenger legroom and precludes using a package tray.

15622.jpg


Contents

Parts Needed

  • Pump
  • Condensor (cooling radiator)
  • Double crankshaft pulley. (The extra pulley runs the compressor)
  • Under-dash vents
  • Hoses
  • Wiring

Since B110 A/C is fairly rare, you can source most of the parts from a B210 or B310. Only the interior vent setup is needed for a B110.

13934.jpg 9378.jpg


Compressor

The compressor pump bolts to the engine and is driven by a v-belt

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20080.jpg Crankshaft pulley double belt


Engine Brackets

Various types were used. Early A12 and late A12 brackets differ.

Late Engine

For late model A12, there were two versions of brackets.

18710.jpg 20079.jpg 21783.jpg

New Compressor-type


21821.jpg

Old compressor type


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Engine Brackets, Early

Compressor on early A12. This in an Australia 1200. It uses a humongous bracket to space the compressor out past the low-mounted alternator.

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9378.jpg


Here is a USA 1200 with a slightly different setup: 2185.jpg

Left-hand Drive

Ecuador

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USA Type 1

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16243.jpg

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14556.jpg

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acdash.jpg


USA Type 2

10-30-2005102833AM.jpg

USA Type Frigette

Frigette Brand. Aftermarket kits still sold at JC Whitney!

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Optional Fan

Nissan option flex-fan
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Dealer item

From USA catalog:

  • 21060-H1001 FAN-COOLING A12 (standard B110 fan)
  • 21060-A4605, 21060-N0100 FAN-COOLING D=330 FOR TROPICAL USA (330 mm diameter)

Sunny Truck Kit

20078.jpg
This kit is beautiful and easy to install. Unfortunately the interior cooler unit is bulky and protrudes farther into the passenger legroom than other types.

20087.jpg

You need all these parts:

  • Ass'y indoor "cooler unit" (with integrated air volume switch, evaporator, and blower fan)
    15193.jpg 4163.jpg
  • air conditioner compressor
    20084.jpg 20085.jpg
  • V-belt: 810 or 814 mm
    20088.jpg 20089.jpg
  • compressor bracket
    20079.jpg
  • crank pulley (double V-belt version)
    20080.jpg
  • Twin Condensors (before radiator, radiator horizontal)
    One has an electric fan
    • Pipe connecting twin condensors
  • High-pressure flexible pipe (from compressor to condensor)
  • Low-pressure hose (from evaporator to compressor)
  • Tube-Liquid Tank to Evaporator
  • Liquid Tank
    • Bracket to mount Tank on core support
  • Receiver tank (Liquid tank)
  • Relay (for compressor)
  • Wiring harness
  • Capacitor for electric fan


  • Engine Mounted 9810- Fast Idle Control Device (FICD)
    • 14875-G5105 Manifold Connector [right next to carb base plate]
      • Vacuum Hose L=370
    • 27654-H8500 FICD Actuator
      • 92551-95W00 Actuator Bracket
    • 27720-G2500 FICD Lever
    • 92255-G5100 Solenoid Valve
      • 92256-95W00 Bracket
      • Vacuum Hose L=270

Vents may be opened or closed:
20082.jpg

Twin Condensors and Liquid Tank with connecting pipes.
20086.jpg

Condensor-to-Liquid Tank hose is routed along the top of core support.
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Compressor is mounted low on left side of engine.
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Cooler Unit lines: Evaporator Inlet & Outlet and drain hose
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Legroom

Since the cooler unit takes up some of the passenger legroom, what to do? One enterprising 1200 fan mounted the cooler unit in the dash:

18256.jpg


Of course the downside is there is no glove box.

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Photo Index

2185.jpg 2187.jpg 2199.jpg 2209.jpg 2210.jpg 2341.jpg 2495.jpg 3053.jpg 3811.jpg 4163.jpg 4164.jpg 4305.jpg 5060.jpg 5063.jpg 7777.jpg 9377.jpg 9378.jpg 11444.jpg 12038.jpg 13181.jpg 13934.jpg 14556.jpg 14557.jpg 14950.jpg 14953.jpg 15192.jpg 15193.jpg 15194.jpg 15622.jpg 16243.jpg 16244.jpg 17263.jpg 17654.jpg 17655.jpg 18256.jpg 18710.jpg 18767.jpg