BFFD Bus A/C，PFS Bus A/C，SDD Bus A/C

PFS Bus A/C

Split, Rooftop, 2 Compressors

PFS series is split rooftop bus air conditioner with 2 compressors to provide redundancy for higher reliability.

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Technical Data sheet

Technical Datasheet	PFS-IV	PFS-V	BFFS-05	BFFS-06
Vehicle Length(m)	7.9-8.1m	8.1-9.2m	9.2-11m	10.5-12m
Cooling Capactity（kcal/h)	22000	24000	2800	3200
Evaporator Airflow（m³/h)	4000	4000	6000	7000
Compressor	2*TM-21	2*AK-33	2*AK-33/TM-31	2*AK-33/TM-31
Size（mm)	33351820187	33351820187	38041902210	44351902210
Remark：copper structure optional BFFS

Features

LFT-D structure

Ultralight, consistent, recyclable and rigid.
Thermal insulation materials

Environmentally friendly, antiseptic, odourless and flame-retardant（A-0）.
Proven performance

Over 10,000 sets running globally since 2003.
Quiet

Through acoustic material and fan airflow optimization, noise level 2dB lower.
Powerful cooling

Through big margin deisgn, heating transfer surface increased 30%, heating efficiency improved 10%, cooling capacity increased 10%.
Patented CAN control

Modular design, digital communication; PWM control module, evaporator fan stepless speed regulation; smart condenser fan control, cooling on demand.

Installation

Preparation

First clean the rooftop surface, then put glue to install the sponge and rubber pad, later put glue with a glue gun around the sponge.
Evaporator and Condensor Installation

Lift the condensor and evaporator to the top of the bus, install and connect the pipes and wiring harness, then fix the condesor and evaporator to the bus rooftop, put glue for sealants where needed.
Cover Installation

Move the cover to the top of condensor and evaporator, check the position and drop the cover, fix screws and check the gap to follow requrements.

References