Cruisers Forum
 


Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on Cruisers Forums. Advertise Here
 
Thread Tools Search this Thread Rate Thread Display Modes
Old 22-09-2021, 07:42   #1
Registered User
 
rkarakai21's Avatar

Join Date: Nov 2019
Location: Sooke, BC
Boat: Tom Gilmer, Roughwater 33
Posts: 40
Problem with Planar forced air heater. Shuts off and on during continuous heat mode.

Hey guys, we have a Planar Diesel heater aboard our Roughwater 33, it's probably less than 2 years old, installed by the previous owner. For the most part it has seemed to work great, pump out decent heat and when dialled right down it draws very little on the house bank. Recently however in the last few weeks it occasionally will shut down without warning whilst on the continous heat mode, the mode we like to use. I have read into the manual about the error codes etc.. but the control unit doesnt throw any error code, the operation light remains solid. Sometimes it will restart itself after a few minutes but sometimes not. We usually run it on high for a few minutes to get things heated up and then dial it way down to maintain the heat and low amp draw for the night. I did notice the last time I filled the tank that the Diesel at the station near us contains up to 10 percent bio-diesel.. Could the heater be picky about its fuel?

As for voltage we have a house bank of two deep cycle 105 amp hour 12 volts wired in parallel and I moniter them with a Victron Smartshunt, so the heater unit always has plenty of power on startup and through the night. With it on low it doesnt even get near 50 percent battery depletion so I don't think it can be a voltage problem.

Cheers

Ryan
rkarakai21 is offline   Reply With Quote
Old 22-09-2021, 11:41   #2
Senior Cruiser

Cruisers Forum Supporter

Join Date: May 2013
Location: Oregon to Alaska
Boat: Wheeler Shipyard 83' ex USCG
Posts: 3,199
Re: Problem with Planar forced air heater. Shuts off and on during continuous heat m

The dosing pump creates tiny bubbles from cavitation inside the pump. If your fuel line has sags or loops where the bubbles get caught, it can stop the fuel long enough to shut down the heater. The fuel line from the dosing pump to the heater needs to be at a continuous up angle so the bubbles are pushed thru. Another issue could be the stainless screen that atomizes the fuel. Small debris and carbon can partially plug the screen and cause shutdown. The screen could need to be changed or cleaned.
The heater should burn anything from diesel to kerosene. But it needs clean fuel.
Lepke is offline   Reply With Quote
Old 22-09-2021, 15:04   #3
Registered User
 
chris mac's Avatar

Join Date: May 2015
Location: edmonton alberta
Boat: 1992 lagoon 42 tpi
Posts: 1,369
Re: Problem with Planar forced air heater. Shuts off and on during continuous heat m

Ours did that for a bit after we installed. It ended up being air in the fuel line. After purging, it has run great.
chris mac is offline   Reply With Quote
Old 27-09-2021, 21:12   #4
Registered User
 
rkarakai21's Avatar

Join Date: Nov 2019
Location: Sooke, BC
Boat: Tom Gilmer, Roughwater 33
Posts: 40
Re: Problem with Planar forced air heater. Shuts off and on during continuous heat m

Thanks for the advice guys! Keeping a close eye on it. Ill figure it out.
rkarakai21 is offline   Reply With Quote
Reply

Tags
heater

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
FORCED AIR DIESEL HEATER URGENT WARNING Cabo Jim Plumbing Systems and Fixtures 44 12-06-2020 04:13
Does the air intake of a forced air heater need to draw outside air? Ostinato Plumbing Systems and Fixtures 3 03-03-2018 09:53
Forced air diesel heater fuel MarkJ68 Auxiliary Equipment & Dinghy 12 19-11-2016 17:54
Forced air heater dmksails Liveaboard's Forum 7 14-11-2016 11:57
Webasto 3500 Forced Air Heater Info rebel heart Plumbing Systems and Fixtures 8 01-11-2012 09:48

Advertise Here


All times are GMT -7. The time now is 03:01.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2021, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2021, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.